Wfuzz a host that keeps timing out

gistfile1.txt

#!/bin/bash
WORDLIST="wordlist.txt"
OUTPUT="output.txt"
TARGET="https://example.com/FUZZ"

if [ ! -f _wordlist.txt ] || [ `wc -l _wordlist.txt | cut -f 1 -d " "` -eq 0 ]
then
  sort -u $WORDLIST > _wordlist.txt
  if [ -f $OUTPUT ]
  then
    echo "Output already exists on an initial run"
    exit 1
  fi
fi


./wfuzz -z file,_wordlist.txt -v -f _output.txt -u "$TARGET" -t4
cat _output.txt >> $OUTPUT
LINE=`grep "Processed Requests" _output.txt  | grep -Eo "[0-9]+"`
tail +$LINE _wordlist.txt > __wordlist.txt
mv __wordlist.txt _wordlist.txt